... type: PC/LaptopPower consumption: <1.0WWorking voltage: DC5VWorking current: 200mAWire length: 100cmHUB: 1.1/2.0HUB interface: 4pcspackagingPackaging structure: ... Discounts are offered based on order quantitiesGood service:1.High quality control ,prompt delivery,competitive Prices.warranty ... are mainly produce laptop cooler, USB HUB, cartoon desk lamp, USB mini fan, USB Music mouse pad, portable mini ...